1 1 Human Anatomy and Physiology II Laboratory The Respiratory System This lab involves two exercises in the lab manual entitled “Anatomy of the Respiratory System” and "Respiratory System Physiology". In this lab you will look at lung histology, gross anatomy, and physiology.

Grade 7: The Respiratory System and Lungs – Revised 2008 Page 3 • Esophagus – Food moves through the pharynx into the esophagus, which is the passageway for food into the stomach. • Epiglottis – Acting as a trapdoor to the trachea, it keeps food from entering the trachea and blocking the airway.

Pneumonia • Pneumonia is a common respiratory infection that is coded in several ways in ICD-10-CM.Combination codes that account for both pneumonia and the responsible organism are included in chapters 1 and 10 of